(;AB[ap]AB[bp]AB[cp]AB[dq]AB[dr]AW[br]AW[aq]AW[an]AW[bo]AW[do]AW[co]AW[eo]AW[fp]AW[fq]AW[fr]AW[fs]AB[cs]AB[bs]AW[ds]C[What can White do?]AP[goproblems]
(;W[bq];B[ar];W[as]MA[ar];B[es]
(;W[er];B[ar]MA[as]C[A hard ko to win with these outside liberties serving as threats... But Black isn't safe yet! Well done! :)RIGHT])
(;W[ar];B[er]C[:(]))
(;W[ar];B[bq]C[:(]LB[cr:A])
(;W[cr];B[es]C[:(])
(;W[es];B[cr]C[:(]TR[bq]TR[ar])
(;W[as];B[cr]C[:(]LB[bq:1]LB[cq:2]))